Jute Fiber Reinforced Hydrogel Composite for Removal of Methylene Blue Dye from Water

Ajadur Rahman Shakil, Most Laboni Begum, Md. Aftab Ali Shaikh, S. Sultana, M. Rahman, Md. Mahamudul Hasan Rumon, C. Roy, Md Anamul Haque
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Abstract

In this study, a hydrogel composite based on natural jute fiber (JF) has been prepared and employed for the removal of methylene blue (MB) dye from aqueous solution. Polyacrylamide (PAAm) hydrogel was synthesized by thermal polymerization in presence of N,N□-methylene bisacrylamide (MBAA) as the cross-linker and potassium per sulfate (KPS) as the initiator. JF reinforced hydrogel (JFRH) composite was prepared by incorporating JF into PAAm matrix prior to the polymerization. The prepared JFRH was characterized by FTIR spectroscopy and scanning electron microscope. It was found that, JFRH composite demonstrated strong mechanical properties with a compressive strength of 1.5 MPa at a deformation of above 80%. The prepared JFRH composite can remove more than 90% of MB from an aqueous solution and be separated easily from the solution after the adsorption process. Therefore, the synthesized JF based hydrogel composite could significantly expand the use of our natural golden fiber for reinforcement of composite materials and removal of dyes from water bodies. Dhaka Univ. J. Sci. 70(2): 59-64, 2022 (July)
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黄麻纤维增强水凝胶复合材料去除水中亚甲基蓝染料
本研究以天然黄麻纤维(JF)为原料制备了水凝胶复合材料,并将其用于去除水溶液中的亚甲基蓝(MB)染料。以N,N□-亚甲基双丙烯酰胺(MBAA)为交联剂,每硫酸钾(KPS)为引发剂,采用热聚合法制备了聚丙烯酰胺(PAAm)水凝胶。在聚合前将JF掺入PAAm基质中制备JFRH增强水凝胶复合材料。用FTIR光谱和扫描电镜对制备的JFRH进行了表征。结果表明,JFRH复合材料在变形80%以上时具有较强的力学性能,抗压强度为1.5 MPa。制备的JFRH复合材料可去除水溶液中90%以上的MB,且吸附后易于与溶液分离。因此,合成的JF基水凝胶复合材料可以显著扩大我国天然黄金纤维在复合材料增强和去除水体染料方面的应用。达卡大学学报(自然科学版),70(2):59-64,2022 (7)
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